# TC74HC14APF

**TOSHIBA** · Inverters · DIP-14

TC74HC14APF from TOSHIBA, in a DIP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1A | input | Schmitt-trigger input of inverter 1, with unused inputs to be tied to VCC or GND (input range 0 to VCC). |
| 2 | 1Y | output | Output of inverter 1, the inverse of 1A, with |IOH| = IOL = 4 mA (min) drive. |
| 3 | 2A | input | Schmitt-trigger input of inverter 2, with unused inputs to be tied to VCC or GND (input range 0 to VCC). |
| 4 | 2Y | output | Output of inverter 2, the inverse of 2A, with |IOH| = IOL = 4 mA (min) drive. |
| 5 | 3A | input | Schmitt-trigger input of inverter 3, with unused inputs to be tied to VCC or GND (input range 0 to VCC). |
| 6 | 3Y | output | Output of inverter 3, the inverse of 3A, with |IOH| = IOL = 4 mA (min) drive. |
| 7 | GND | power_in | Ground pin (0 V reference). |
| 8 | 4Y | output | Output of inverter 4, the inverse of 4A, with |IOH| = IOL = 4 mA (min) drive. |
| 9 | 4A | input | Schmitt-trigger input of inverter 4, with unused inputs to be tied to VCC or GND (input range 0 to VCC). |
| 10 | 5Y | output | Output of inverter 5, the inverse of 5A, with |IOH| = IOL = 4 mA (min) drive. |
| 11 | 5A | input | Schmitt-trigger input of inverter 5, with unused inputs to be tied to VCC or GND (input range 0 to VCC). |
| 12 | 6Y | output | Output of inverter 6, the inverse of 6A, with |IOH| = IOL = 4 mA (min) drive. |
| 13 | 6A | input | Schmitt-trigger input of inverter 6, with unused inputs to be tied to VCC or GND (input range 0 to VCC). |
| 14 | VCC | power_in | Positive supply pin, operating range 2 to 6 V (absolute maximum -0.5 to 7 V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| Package | DIP-14 |
| Category | Logic ICs |
| Pins | 14 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage range | VCC | -0.5 |  | 7 | V |  | 2 |
| DC input voltage | VIN | -0.5 |  |  | V | -0.5 to VCC + 0.5 | 2 |
| DC output voltage | VOUT | -0.5 |  |  | V | -0.5 to VCC + 0.5 | 2 |
| Input diode current | IIK | -20 |  | 20 | mA | ±20 | 2 |
| Output diode current | IOK | -20 |  | 20 | mA | ±20 | 2 |
| DC output current | IOUT | -25 |  | 25 | mA | ±25 | 2 |
| DC VCC/ground current | ICC | -50 |  | 50 | mA | ±50 | 2 |
| Power dissipation (DIP) | PD |  |  | 500 | mW | DIP, Ta=-40~65°C; derate -10 mW/°C from 65 to 85°C until 300 mW (SOP: 180 mW) | 2 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 2 |
| Supply voltage | VCC | 2 |  | 6 | V |  | 2 |
| Input voltage | VIN | 0 |  |  | V | 0 to VCC | 2 |
| Output voltage | VOUT | 0 |  |  | V | 0 to VCC | 2 |
| Operating temperature | Topr | -40 |  | 85 | °C |  | 2 |
| Positive threshold voltage | VP | 1 | 1.25 | 1.5 | V | VCC=2.0 V, Ta=25°C | 3 |
| Positive threshold voltage | VP | 2.3 | 2.7 | 3.15 | V | VCC=4.5 V, Ta=25°C | 3 |
| Positive threshold voltage | VP | 3 | 3.5 | 4.2 | V | VCC=6.0 V, Ta=25°C | 3 |
| Positive threshold voltage | VP | 1 |  | 1.5 | V | VCC=2.0 V, Ta=-40~85°C | 3 |
| Positive threshold voltage | VP | 2.3 |  | 3.15 | V | VCC=4.5 V, Ta=-40~85°C | 3 |
| Positive threshold voltage | VP | 3 |  | 4.2 | V | VCC=6.0 V, Ta=-40~85°C | 3 |
| Negative threshold voltage | VN | 0.3 | 0.65 | 0.9 | V | VCC=2.0 V, Ta=25°C | 3 |
| Negative threshold voltage | VN | 1.13 | 1.6 | 2 | V | VCC=4.5 V, Ta=25°C | 3 |
| Negative threshold voltage | VN | 1.5 | 2.3 | 2.6 | V | VCC=6.0 V, Ta=25°C | 3 |
| Negative threshold voltage | VN | 0.3 |  | 0.9 | V | VCC=2.0 V, Ta=-40~85°C | 3 |
| Negative threshold voltage | VN | 0.13 |  | 2 | V | VCC=4.5 V, Ta=-40~85°C | 3 |
| Negative threshold voltage | VN | 1.5 |  | 2.6 | V | VCC=6.0 V, Ta=-40~85°C | 3 |
| Hysteresis voltage | VH | 0.3 | 0.6 | 1 | V | VCC=2.0 V, Ta=25°C | 3 |
| Hysteresis voltage | VH | 0.6 | 1.1 | 1.4 | V | VCC=4.5 V, Ta=25°C | 3 |
| Hysteresis voltage | VH | 0.8 | 1.2 | 1.7 | V | VCC=6.0 V, Ta=25°C | 3 |
| Hysteresis voltage | VH | 0.3 |  | 1 | V | VCC=2.0 V, Ta=-40~85°C | 3 |
| Hysteresis voltage | VH | 0.6 |  | 1.4 | V | VCC=4.5 V, Ta=-40~85°C | 3 |
| Hysteresis voltage | VH | 0.8 |  | 1.7 | V | VCC=6.0 V, Ta=-40~85°C | 3 |
| High-level output voltage | VOH | 1.9 | 2 |  | V | VIN=VIL, IOH=-20 µA, VCC=2.0 V, Ta=25°C | 3 |
| High-level output voltage | VOH | 4.4 | 4.5 |  | V | VIN=VIL, IOH=-20 µA, VCC=4.5 V, Ta=25°C | 3 |
| High-level output voltage | VOH | 5.9 | 6 |  | V | VIN=VIL, IOH=-20 µA, VCC=6.0 V, Ta=25°C | 3 |
| High-level output voltage | VOH | 4.18 | 4.31 |  | V | VIN=VIL, IOH=-4 mA, VCC=4.5 V, Ta=25°C | 3 |
| High-level output voltage | VOH | 5.68 | 5.8 |  | V | VIN=VIL, IOH=-5.2 mA, VCC=6.0 V, Ta=25°C | 3 |
| High-level output voltage | VOH | 4.13 |  |  | V | VIN=VIL, IOH=-4 mA, VCC=4.5 V, Ta=-40~85°C | 3 |
| High-level output voltage | VOH | 5.63 |  |  | V | VIN=VIL, IOH=-5.2 mA, VCC=6.0 V, Ta=-40~85°C | 3 |
| Low-level output voltage | VOL |  | 0 | 0.1 | V | VIN=VIH, IOL=20 µA, VCC=2.0 V, Ta=25°C | 3 |
| Low-level output voltage | VOL |  | 0.17 | 0.26 | V | VIN=VIH, IOL=4 mA, VCC=4.5 V, Ta=25°C | 3 |
| Low-level output voltage | VOL |  | 0.18 | 0.26 | V | VIN=VIH, IOL=5.2 mA, VCC=6.0 V, Ta=25°C | 3 |
| Low-level output voltage | VOL |  |  | 0.33 | V | VIN=VIH, IOL=4 mA, VCC=4.5 V, Ta=-40~85°C | 3 |
| Input leakage current | IIN | -0.1 |  | 0.1 | μA | VIN=VCC or GND, VCC=6.0 V, Ta=25°C (±0.1) | 3 |
| Input leakage current | IIN | -1 |  | 1 | μA | VIN=VCC or GND, VCC=6.0 V, Ta=-40~85°C (±1.0) | 3 |
| Quiescent supply current | ICC |  |  | 1 | μA | VIN=VCC or GND, VCC=6.0 V, Ta=25°C | 3 |
| Quiescent supply current | ICC |  |  | 10 | μA | VIN=VCC or GND, VCC=6.0 V, Ta=-40~85°C | 3 |
| Output transition time | tTLH/tTHL |  | 30 | 75 | ns | CL=50 pF, VCC=2.0 V, Ta=25°C | 4 |
| Output transition time | tTLH/tTHL |  | 8 | 15 | ns | CL=50 pF, VCC=4.5 V, Ta=25°C | 4 |
| Output transition time | tTLH/tTHL |  | 7 | 13 | ns | CL=50 pF, VCC=6.0 V, Ta=25°C | 4 |
| Propagation delay time | tpLH/tpHL |  | 42 | 125 | ns | CL=50 pF, VCC=2.0 V, Ta=25°C | 4 |
| Propagation delay time | tpLH/tpHL |  | 14 | 25 | ns | CL=50 pF, VCC=4.5 V, Ta=25°C | 4 |
| Propagation delay time | tpLH/tpHL |  | 12 | 21 | ns | CL=50 pF, VCC=6.0 V, Ta=25°C | 4 |
| Propagation delay time | tpLH/tpHL |  |  | 155 | ns | CL=50 pF, VCC=2.0 V, Ta=-40~85°C | 4 |
| Propagation delay time | tpLH/tpHL |  |  | 31 | ns | CL=50 pF, VCC=4.5 V, Ta=-40~85°C | 4 |
| Propagation delay time | tpLH/tpHL |  |  | 26 | ns | CL=50 pF, VCC=6.0 V, Ta=-40~85°C | 4 |
| Input capacitance | CIN |  | 5 | 10 | pF | Ta=25°C (max 10 also at Ta=-40~85°C) | 4 |

## CAD (KiCad official)

- Symbol: `TC74HC14APF`
- Footprint: `Package_DIP:DIP-14_W7.62mm`
- 3D model: DIP-14 (KiCad packages3D, STEP)
- 3D model files: `tc74hc14apf-etched.step` / `tc74hc14apf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tc74hc14apf.step` / `tc74hc14apf.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [TOSHIBA datasheet](docs/tc74hc14apf-datasheet.pdf) (8 pp, sha256 `ea93fb11c509ff40`, retrieved 2026-10-23, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/tc74hc14apf-datasheet.pdf)